An example to demonstrate using the bodyPosition and delta extensions (id = "map-sitting")

<?xml version="1.0" encoding="UTF-8"?>

<Observation xmlns="http://hl7.org/fhir">
  <id value="map-sitting"/> 
      <!--     To be used only when the body position in not precoordinated in the observation
   code.   -->
  display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border:
       1px solid #8da1b4; border-radius: 5px; line-height: 60%
    
      
        
        
        
      
    
  
        <!--     The qualitative change in the value relative to the previous measurement. Usually
   only recorded if the change is clinically significant.   -->
  
    
      
        
        
        
      
    
  

  <status value="final"/> 
  <category> 
    <coding> 
      <system value="http://terminology.hl7.org/CodeSystem/observation-category"/> 
      <code value="laboratory"/> 
      <display value="Laboratory"/> 
    </coding> 
  </category> 
  <code> 
    <coding> 
      <system value="http://loinc.org"/> 
      <code value="8478-0"/> 
      <display value="Mean blood pressure"/> 
    </coding> 
  </code> 
  <subject> 
    <reference value="Patient/example"/> 
  </subject> 
  <encounter> 
    <reference value="Encounter/example"/> 
  </encounter> 
  <effectivePeriod> 
    <start value="2018-04-02T10:30:10+01:00"/> 
    <end value="2018-04-05T10:30:10+01:00"/> 
  </effectivePeriod> 
  <issued value="2018-04-03T15:30:10+01:00"/> 
  <valueQuantity> 
    <value value="60"/> 
    <unit value="mm Hg"/> 
    <system value="http://unitsofmeasure.org"/> 
    <code value="mm[Hg]"/> 
  </valueQuantity> 
  <interpretation> 
    <coding> 
      <system value="http://terminology.hl7.org/CodeSystem/v2-0078"/> 
      <code value="L"/> 
      <display value="Low"/> 
    </coding> 
    <text value="Below low normal"/> 
  </interpretation> 


</

Observation

>